CaratHunter
Plans
Radiant|Lab Grown|IGI

1.71ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG818654487

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG818654487

Diamond specifications and retailer prices

From $830 AUD
$583 USD
As of October 30, 2026
Save $6,544 AUD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,374 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.71ct lab-grown radiant diamond

This 1.71ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818654487 or 818654487. Listed at 12 retailers as of October 30, 2026, with prices from $830 to $7,374, a $6,544 spread on the same certified stone. Do Amore Diamonds lists it at $7,374. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654487
Dimensions8.71 × 5.86 × 3.83 mm
L/W Ratio1.49
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.71 mm5.86 mm1.71 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654487
Side View
Table 63.0%Crown 44.4°Girdle: MED-STKPavilion 31.9°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $7,374 AUD|Low: $830 AUD|High: $9,453 AUD|Avg: $3,972 AUD|-15.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 7$830 AUD
Retailer 11$930 AUD
Retailer 3$1,239 AUD
Retailer 4$1,536 AUD
Retailer 8$1,582 AUD
Retailer 12$1,818 AUD
Retailer 9$2,554 AUD
Retailer 10$2,988 AUD
Retailer 6$4,502 AUD
Retailer 5$4,588 AUD
Retailer 2$5,410 AUD
Retailer 13$5,773 AUD
Do Amore Diamonds$7,374 AUD

30 data points across 13 retailers

12 retailers$830 AUD to $7,374 AUD

A
Cheapest Retailer
-
$830 AUD
$583 USD
A
Retailer 2
-
$930 AUD
$653 USD
View
A
Retailer 3
-
$1,239 AUD
$870 USD
View
A
Retailer 4
-
$1,536 AUD
$1,079 USD
View
A
Retailer 5
-
$1,582 AUD
$1,111 USD
View
Retailer 6
-
$1,818 AUD
€1,216 EUR
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$2,554 AUD
$1,794 USD
View
B+
Retailer 8
-
$2,988 AUD
$2,099 USD
View
B
Retailer 9
-
$4,502 AUD
£2,490 GBP
View
B
Retailer 10
-
$5,410 AUD
$3,800 USD
View
B
Retailer 11
-
$5,773 AUD
$4,055 USD
View
Most Expensive
B
Do Amore Diamonds
27-D7290C018 · Oct 30
$7,374 AUD
$5,180 USD
View
11 more retailers have this diamond
Prices start from $830 AUDSave up to $6,544 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.71ct Radiant
$830 AUD